fixed: Compile error with FileFactory test + cosmetics
FIX: fixups std::string rfind + npos
Merge pull request #3659 from koying/quickpr2

FIX: fixups std::string rfind + npos
fixed: Compile error in test for StringUtils::Format
changed: present with D3DPRESENT_DONOTWAIT to work around drivers busy spinning.
changed: allow passthrough of 44100 & 96000 samplerates
restore set/clear default in videos that was removed in d56759292456df5f2617
fixed: folder.jpg was being ignored by the MusicInfoScanner